Modern smartphone users expect their devices to respond instantly and be able to hold dozens of applications running simultaneously. Multitasking mode is a fundamental function of the operating system Androidthat allows you to switch between tasks without completely rebooting them. However, depending on the manufacturer and firmware version, the logic of windows and the behavior of background processes can differ significantly, which often causes confusion among gadget owners.
In this article we will look in detail at how to activate and optimize multitasking mode on various devices. You will learn about hidden settings that are not visible in the standard menu, and you will also understand why some applications are closed by the system immediately after minimizing. Proper configuration of these parameters can turn your smartphone into a powerful tool for productive work.
The concept of multitasking in the Android ecosystem
Multitasking Android is based on the principle of dividing RAM and processor time between active and background applications. Unlike desktop systems, mobile OS aggressively manages resources to extend battery life. When you minimize a app, it does not always continue to function fully; often it goes into a "cached process" state, ready for quick recovery.
There are several types of implementation of this function. Classic mode lets you see a list of recently opened apps and switch between them with a tap. More advanced versions, such as Split-screen (split screen), make it possible to use two applications simultaneously on one display. This is especially true for tablets and smartphones with large screen diagonals.
⚠️ Attention: Split screen mode may not be available for some applications if the developer has explicitly disabled this feature in the app manifest. In such cases, the system will force the application to fill the entire screen.
Understanding how the system distributes priorities will help you avoid situations where important notifications or background downloads stop unexpectedly. The operating system constantly monitors available RAM and closes the least used processes to make room for the user's current task.
Standard activation methods on different OS versions
In pure Androidwhich is used in smartphones Google Pixel i Motorola, multitasking management is as intuitive as possible. To call up the list of recent applications, you need to swipe up from the bottom edge of the screen and hold your finger in the center of the display for a split second. This gesture navigation has replaced the traditional Menu button in most modern devices.
If your device still has the classic three-button navigation bar, then the leftmost or rightmost key (depending on location), indicated by a square or three vertical lines, is responsible for multitasking. Clicking this button instantly opens a carousel of running tasks. In the system settings System → Gestures → System navigation you can switch between these modes.
Shell manufacturers, such as Samsung s One UI or Xiaomi s MIUI, often add their own unique gestures. For example, swiping up from the bottom corner of the screen can activate quick access to your last two apps. This setting saves time when frequently switching between chat and browser.
- 📱 Swipe up from bottom with hold - a standard gesture for pure Android 10 and newer.
- 🔲 Pressing the "Square" button - a method for devices with a classic navigation bar.
- 🖐 Swiping from the corner of the screen is a signature gesture of some shells for quickly switching.
- 🔄 Double tapping on the navigation bar is an option available on some custom launchers.
It is important to note that the behavior of these gestures may change after a firmware update. Interface developers are constantly improving ergonomics, so it’s worth checking the section periodically Settings → Display → Navigation to familiarize yourself with new control options.
Try changing the animation speed in the "For Developers" menu. Reducing the window animation scale to 0.5x will make switching between tasks visually faster and sharper.
Setting up split screen and floating windows
Split screen mode is the pinnacle of multitasking on mobile devices. To activate it, open the list of recent applications, find the desired app and click on its icon at the top of the card. In the menu that appears, select "Split screen" or Split screen. After this, the system will prompt you to select a second application from the list or desktop.
The border between two windows can be moved by dragging the dividing bar. This allows you to prioritize one application, giving it 70% or more of the display space. This function is indispensable when watching video tutorials and simultaneously taking notes or chatting in the messenger.
Some manufacturers, for example Samsung and Huawei, offer the "Floating Window" or Pop-up viewfunction. In this mode, the application opens in a small window on top of other apps, which you can freely move around the screen and resize. This creates the effect of real desktop multitasking.
☑️ Checking Split-screen support
| Manufacturer | Function name | Activation method | Restrictions |
|---|---|---|---|
| Google Pixel | Split screen | Recent tasks menu | No floating windows |
| Samsung | Multi Window | Panel Edge / Task Menu | Requires a lot of RAM |
| Xiaomi | Floating windows | Sidebar | Not for all games |
| OnePlus | Split screen | Three-finger gesture | Needs to be enabled in settings |
It is worth considering that using several active windows at the same time significantly increases the load on processor and battery consumption. If you notice the device overheating or rapid discharge, it is advisable to close unnecessary background applications.
Advanced settings through the developer menu
For users who want to gain full control over the behavior of the system, there is a hidden developer menu. To get there, you need to go to Settings → About phone and quickly click 7 times on the item "Build number". After entering the screen unlock password, a new section will appear in the main menu For developers.
Inside this section you can find a parameter "Don't save actions" (Don't keep activities). It is disabled by default. If activated, the system will destroy each application as soon as the user leaves its screen. This is a useful tool for testing, but for everyday multitasking it should be kept turned off.
Also available here Background process limit. The default value is "Standard limit", which allows the system to decide how many applications to keep in memory. A forced limit, for example, to “No more than 2 processes,” will force the phone to close everything unnecessary, which can lead to data loss in unfinished tasks.
⚠️ Attention: Changing settings in the developer menu can lead to unstable system operation and loss of data in applications. Return all values to the default values after completing the experiments.
What does the "Background process check" option do?
This function allows the system to forcefully stop processes that were not terminated correctly, freeing up resources. However, it may conflict with legitimate background services such as file downloading or navigation.
Another important parameter is Recorder buffer sizewhich affects how much system logs are stored in memory. Although this does not directly affect window switching, buffer overflow can indirectly slow down the system services responsible for the task manager.
Memory management and optimization of background processes
Effective multitasking is impossible without sufficient free RAM. Modern Android shells offer built-in cleaning tools, but they don't always work correctly. Often memory boosters simply restart system services, which ultimately consumes even more energy.
Instead of constant manual cleaning, it is better to set exceptions for important applications. In the section Applications → Special access → Battery optimization you can select the mode "Do not optimize" for instant messengers, email clients and navigators. This will prevent the system from “killing” their background processes to save battery.
On devices with a small amount of RAM (3-4 GB), it is recommended to disable animations and visual effects that consume graphics accelerator resources. This will free up processing power for background applications to process data. Path to settings: Special. features → Visualization → Remove animations.
- 🚀 Close heavy games manually if you plan to work with documents.
- 🔋 Disable cloud synchronization for rarely used accounts in the background.
- 🧹 Use the built-in memory manager instead of third-party ones "cleaners".
- ⚙️ Check startup applications and disable unnecessary services.
Remember that full storage memory also negatively affects multitasking. When the internal storage is more than 90% full, the system has no place to create page files and caches for minimized applications, which leads to their constant restarts.
Optimal multitasking is achieved by a balance between the amount of available RAM and the proper exclusion of important applications from power saving mode.
Solving problems with application crashes in background
One of the most common complaints from users is the situation when the application closes immediately after minimizing. This behavior is often dictated by aggressive power saving algorithms implemented by manufacturers to improve battery life. In such cases, the system classifies the application as “unnecessary” and forcibly stops it.
To solve this problem, you need to go to the settings of the specific application. Find the item "Battery" or Battery consumption inside the application card and set the value "No restrictions" or Unrestricted. This will give the app priority and allow it to work in the background even when the screen is locked.
It is also worth checking the autorun settings. On smartphones Xiaomi, Honor i Huawei there is a separate menu Applications → Autostart, where the checkboxes should be in front of those apps that should run constantly. Without this permission, the system will block the start of the service after rebooting the device.
⚠️ Attention: Granting rights to unlimited battery consumption reduces the operating time of the smartphone on a single charge. Use this setting only for mission-critical applications.
If the problem persists, you may have a third-party antivirus or firewall installed on your system that is blocking background activity. Try temporarily disabling security software and check if multitasking has stabilized.
Frequently asked questions (FAQ)
Why does the application restart every time I return to it?
This happens due to insufficient RAM or aggressive power saving settings. The system unloads the application from RAM to free up resources for the current task. Try adding the application to battery exceptions and closing other heavy apps.
Is it possible to run three applications simultaneously on one screen?
Standard Android tools only support two applications in split-screen mode. The third application can be opened in floating window mode (Pop-up), if this function is supported by the manufacturer of your smartphone, for example, in the One UI or MIUI shells.
Does multitasking affect the Internet speed?
Yes, if several applications simultaneously use the network (for example, downloading updates in the background and streaming video), the available bandwidth is divided between them. This may result in slow loading speeds or buffering of content.
How to disable multitasking to save memory?
You cannot completely disable multitasking, as this is a basic OS feature. However, you can set the background process limit in the developer menu to "0 processes" or "1 process", but this will make using the smartphone extremely inconvenient.
Is it safe to use third-party launchers to manage tasks?
Most popular launchers are safe, but they may conflict with system navigation gestures. Use proven solutions from Google Play and avoid applications that require suspicious permissions for the task manager to work.